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Managing Raster Data Using ArcGIS by Esri Exam Questions and Answers
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Managing Raster Data Using ArcGIS by Esri Exam Questions and Answers
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Managing Raster Data Using ArcGIS byEsri Exam Questions and Answers
What is required to create a mosaic dataset?
You should have write access to the geodatabase and an ArcGIS for Desktop Standard
and ArcGIS for Desktop Advanced license. - Answers -
Which statement about mosaic dataset overviews is true?
Overviews are low-resolution images. - Answers -
Which of the following options improves the display (both appearance and performance)
of your mosaic dataset?
Building overviews - Answers -
You have built a mosaic dataset using a set of raster data. You want to select specific
tiles within the mosaic dataset and download them to your local computer. How can you
accomplish this task?
Add the mosaic dataset to ArcMap, select the specific tiles, lock to selected rasters, and
download the selected rasters. - Answers -
You have created a mosaic dataset using a set of LAS files, and you modify the Image
layer in ArcMap to better visualize the mosaicked image. By doing so, you are changing
the source data.
False - Answers -
You have a mosaic dataset from your client. You want to use the mosaic dataset with
other spatial data on the web. When you import the data into ArcMap, you realize that
the mosaic dataset is in NAD 1983 HARN UTM Zone 5N. What would you do if you
wanted to change the projection to WGS 1984 Web Mercator Auxiliary?
After a mosaic dataset is created, you cannot change its projection.
Go to the mosaic dataset properties and edit the Spatial Reference section. - Answers -
, When you add raster data to a mosaic dataset, the raster data is not stored within the
mosaic dataset.
True - Answers -
You have obtained three large raster datasets with three different resolutions. What is
the best method to manage these raster datasets?
Create a single mosaic dataset and add the three raster datasets to the mosaic dataset.
- Answers -
You have a mosaic dataset from your client that looks like the graphic on the left. When
you copy this mosaic dataset to your file geodatabase, the mosaic dataset looks like the
graphic on the right. What may have gone wrong in this situation?
The overviews were not copied with the mosaic dataset. - Answers -
You receive a mosaic dataset with several layers. How do you display a specific layer of
interest and extract information about that layer?
Change the mosaic method to By Attribute.
Query the mosaic. - Answers -
Any modifications you make in the Image layer will not affect the properties of the
mosaic dataset.
True - Answers -
You modify the extent of the footprint of a mosaic dataset. Which of the following
statements is true?
You cannot crop the polygons.
There is no loss of image data.
You are editing the source raster dataset. - Answers -
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